Greenhouse Gas Monitoring Instrument
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| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | ELF-600 |
| Detection Gases & Ranges | CO₂, N₂O, CH₄ (greenhouse gases), CO (combustion byproduct), H₂O (water vapor) |
| Max Takeoff Weight | 22.5 kg |
| Rotor Span (Diagonal) | 1.6 m |
| Max Speed | 45 km/h |
| Service Ceiling | 5000 m |
| Climb Rate | 5 m/s |
| Wind Resistance | Level 6 (Beaufort scale) |
| Control Link | 900 MHz RF |
| Navigation System | Dual-GNSS (GPS + BeiDou) |
| Endurance | 80 min (empty), 60 min (5 kg payload) |
| Control Radius | 20 km |
| Payload Options | Full-frame aerial survey camera (35 mm sensor, 42 MP), multispectral camera (VIS–NIR bands), GHG analyzer module, thermal imager, loudspeaker, spotlight, aerial payload dispenser |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | PRI-501 |
| Detection Principle | Dual-Wavelength Non-Dispersive Infrared (Dual-NDIR) |
| Measurable Gases | CO₂ (0–2000 ppm), H₂O (0–6 % vol) |
| Accuracy | ±2 % of reading (CO₂), ±2 % of reading (H₂O) |
| Zero Stability (CO₂) | ±2 % over 12 months |
| Repeatability (CO₂) | ±0.3 % at zero, ±1.5 % at span |
| Temperature Drift (CO₂) | ±0.03 %/°C (ambient), ±2 %/year (thermostated) |
| Operating Temperature | −20 to +45 °C |
| Operating Pressure | 800–1150 mbar |
| Sample Flow Rate | 1 L/min (adjustable) |
| T90 Response Time | 10 s (adjustable) |
| Warm-up Time | 1 min |
| Humidity Range | <99 % RH, non-condensing |
| Output Interfaces | RS-232, analog (0–5 V / 4–20 mA) |
| Dimensions & Weight | 250 × 160 × 90 mm, 1.2 kg |
| Power Supply | 7–28 V DC |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | PRI-502 |
| Detection Principle | Dual-Wavelength Non-Dispersive Infrared (Dual-NDIR) |
| Measurable Gases | CH₄ (0–50,000 ppm), H₂O (0–6% vol) |
| Accuracy | ±2% FS (CH₄), ±2% FS (H₂O) |
| Zero Stability (CH₄) | ±2% FS over >12 months |
| Repeatability (CH₄) | ±0.3% FS at zero, ±1.5% FS at span |
| Temperature Drift (CH₄) | ±0.03% FS/°C (ambient), ±2% FS/year (thermostated) |
| Operating Temperature | −20 to +45 °C |
| Operating Pressure | 800–1150 mbar |
| Sample Flow Rate | 1 L/min (adjustable) |
| T90 Response Time | 10 s (adjustable) |
| Warm-up Time | 1 min |
| Humidity Range | <99% RH, non-condensing |
| Output Interfaces | RS-232, analog (4–20 mA / 0–10 V) |
| Dimensions | 250 × 160 × 90 mm |
| Weight | 1.2 kg |
| Power Supply | 7–28 V DC |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | PRI-503 |
| Detection Principle | Dual-Wavelength Non-Dispersive Infrared (Dual-NDIR) |
| Measurable Gases | CO₂, CH₄, H₂O |
| CO₂ Range Options | 0–0.2%, 0.5%, 1%, 5%, 10%, 100% |
| CH₄ Range Options | 0–5%, 10%, 30% |
| H₂O Range | 0–6% |
| CO₂/CH₄ Accuracy | ±2% (±1.5% after calibration) |
| Zero Stability (CO₂/CH₄) | ±2% over >12 months |
| Repeatability (Zero/Span) | ±0.3%/±1.5% |
| Zero Drift (Constant Temp.) | ±2%/year |
| Zero Drift (Ambient Temp.) | ±0.03%/°C |
| H₂O Accuracy | ±2% |
| Operating Temperature | −20 to +45 °C |
| Operating Pressure | 800–1150 mbar |
| Sample Flow Rate | 1 L/min (adjustable) |
| T90 Response Time | 10 s (adjustable) |
| Warm-up Time | 1 min |
| Humidity Limit | <99% RH, non-condensing |
| Outputs | RS-232, Analog (4–20 mA / 0–10 V) |
| Dimensions | 250 × 160 × 90 mm |
| Weight | 2.2 kg |
| Power Supply | 7–28 V DC |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | PRI-5231 |
| Price | Upon Request |
| Application Field | Environmental Monitoring |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Measured Gases and Ranges | CO₂ (0–3500 ppm), N₂O (0–500 ppb), H₂O (0–3 %v/v) |
| Brand | PRI-ECO |
|---|---|
| Model | PRI-5232 |
| Detection Principle | Mid-Infrared Laser Absorption Spectroscopy (MIRLAS) |
| Measured Gases | CO, N₂O, H₂O |
| Accuracy (1 s) | 0.6 ppb (CO), 0.4 ppb (N₂O), 50 ppm (H₂O) |
| Accuracy (1 min) | 0.4 ppb (CO), 0.08 ppb (N₂O), 40 ppm (H₂O) |
| Accuracy (5 min) | 0.2 ppb (CO), 0.05 ppb (N₂O), 10 ppm (H₂O) |
| Measurement Range | 0–500 ppm (CO), 0–500 ppm (N₂O), 0–3 %v/v (H₂O) |
| 24-h Drift | ≤0.3 ppb (CO), ≤0.2 ppb (N₂O) |
| Sampling Flow Rate | ~200 mL/min (standard), optional 1000 mL/min pump |
| Sampling Temperature | −10 to +45 °C |
| Sampling Humidity | <99% RH, non-condensing |
| Data Output | WiFi, USB, RS-232 |
| Power Supply | 110–230 V AC |
| Power Consumption | 40 W (steady-state), 60 W (warm-up) |
| Dimensions | 440 × 190 × 530 mm |
| Weight | 12 kg |
| Compliance | WMO GHG Observing Guidelines |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | PRI-5233 |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Measured Gases | CH₄ (0–500 ppm), C₂H₆ (0–500 ppm), H₂O (0–3 %v/v) |
| Precision (1 s) | 1 ppb CH₄, 0.5 ppb C₂H₆, 50 ppm H₂O |
| Precision (1 min) | 0.3 ppb CH₄, 0.10 ppb C₂H₆, 40 ppm H₂O |
| Precision (5 min) | 0.2 ppb CH₄, 0.08 ppb C₂H₆, 10 ppm H₂O |
| Sampling Flow Rate | ~180 mL/min |
| Operating Temperature | –10 to +45 °C |
| Relative Humidity Limit | <99% RH, non-condensing |
| Data Output | USB, RS-232 |
| Power Supply | 110–230 V AC |
| Power Consumption | 50 W (steady-state), 90 W (warm-up) |
| Weight | 10.5 kg |
| Brand | PRI-ECO |
|---|---|
| Model | PRI-5251 |
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Measured Gases | CO₂ (0–3500 ppm), CH₄ (0–500 ppm), N₂O (0–500 ppm), H₂O (0–3 %v/v) |
| Precision (1 s) | 0.2 ppm CO₂, 1 ppb CH₄, 0.2 ppb N₂O, 50 ppm H₂O |
| Precision (5 min) | 0.04 ppm CO₂, 0.2 ppb CH₄, 0.03 ppb N₂O, 10 ppm H₂O |
| Drift (24 h) | 0.2 ppm CO₂, 2 ppb CH₄, 0.2 ppb N₂O |
| Sampling Flow Rate | ~360 mL/min |
| Operating Temperature | −10 to +45 °C |
| Relative Humidity | <99% RH, non-condensing |
| Output Frequency | 1 Hz |
| Power Supply | 110–230 V AC |
| Power Consumption | 80 W (steady-state), 120 W (warm-up) |
| Dimensions | 440 × 190 × 530 mm |
| Weight | 14.7 kg |
| Compliance | WMO Greenhouse Gas Observing Network (GGON) specifications |
| Brand | PRI-ECO |
|---|---|
| Model | PRI-5251 PLUS |
| Origin | Beijing, China |
| Manufacturer | PRI-ECO (Domestic) |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Measured Gases | CO, CO₂, CH₄, N₂O, H₂O |
| Precision (1 s) | 0.6 ppb (CO), 0.2 ppm (CO₂), 1 ppb (CH₄), 0.2 ppb (N₂O), 50 ppm (H₂O) |
| Precision (1 min) | 0.4 ppb / 0.05 ppm / 0.3 ppb / 0.05 ppb / 40 ppm |
| Precision (5 min) | 0.2 ppb / 0.04 ppm / 0.2 ppb / 0.03 ppb / 10 ppm |
| Measurement Range | 0–500 ppm (CO), 0–3500 ppm (CO₂), 0–500 ppm (CH₄), 0–500 ppm (N₂O), 0–3 %v/v (H₂O) |
| Drift (24 h) | 0.3 ppb / 0.2 ppm / 2 ppb / 0.2 ppb / — |
| Sampling Temp. | −10 to +45 °C |
| Sampling Humidity | <99% RH, non-condensing |
| Flow Rate | ~540 mL/min |
| Output Frequency | 1 Hz per gas |
| Data Interfaces | USB, RS-232 |
| Power Supply | 110–230 V AC |
| Power Consumption | 120 W (steady), 150 W (warm-up) |
| Dimensions | 440 × 190 × 530 mm |
| Weight | 18.3 kg |
| Brand | PRI-ECO |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | PRI-5251e |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Measured Gases | CO₂, CH₄, N₂O, H₂O |
| Measurement Frequency | 10 Hz |
| Accuracy (0.1 s) | 0.25 ppm CO₂, 1 ppb CH₄, 0.4 ppb N₂O, 50 ppm H₂O |
| 24-h Drift | 1 ppm CO₂, 2 ppb CH₄, 1 ppb N₂O |
| Sample Temperature Range | −10 to 45 °C |
| Sample Humidity Range | <99% RH, non-condensing |
| Sample Flow Rate | ~12 L/min |
| Power Supply | 110–230 V AC |
| Power Consumption | 200 W (steady-state), 250 W (warm-up) |
| Dimensions | 440 × 190 × 530 mm |
| Weight | 25 kg |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | PRI-5251f |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Measured Gases | CO₂ (0–3500 ppm), CH₄ (0–500 ppm), N₂O (0–500 ppm), H₂O (0–3 %v/v) |
| Precision (1-s) | 0.5 ppm CO₂, 2 ppb CH₄, 0.3 ppb N₂O, 50 ppm H₂O |
| Precision (5-s) | 0.4 ppm CO₂, 0.5 ppb CH₄, 0.25 ppb N₂O, 40 ppm H₂O |
| Sampling Flow Rate | ~360 mL/min |
| Operating Temperature | −10 to +45 °C |
| Relative Humidity Limit | <99% RH, non-condensing |
| Power Consumption | 35 W |
| Weight | 5 kg |
| Data Output | WiFi, USB, RS-232 |
| Power Supply | DC |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer | Yes |
| Country of Origin | China |
| Model | PRI-5251f Plus |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Measured Gases | CO, CO₂, CH₄, N₂O, H₂O |
| Accuracy (1s) | 0.7 ppb (CO), 0.5 ppm (CO₂), 1 ppb (CH₄), 0.3 ppb (N₂O), 50 ppm (H₂O) |
| Accuracy (5s) | 0.5 ppb (CO), 0.4 ppm (CO₂), 0.5 ppb (CH₄), 0.25 ppb (N₂O), 40 ppm (H₂O) |
| Measurement Range | 0–500 ppm (CO), 0–3500 ppm (CO₂), 0–500 ppm (CH₄), 0–500 ppm (N₂O), 0–3 %v/v (H₂O) |
| Sampling Rate | 1 Hz |
| Operating Temperature | −10 to +45 °C |
| Relative Humidity Limit | <99% RH, non-condensing |
| Power Supply | DC |
| Power Consumption | 50 W |
| Weight | 8 kg |
| Data Output | Wi-Fi, USB, RS-232 |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | PRI-5352i |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Target Gas | CO₂ |
| δ¹³C Precision | <0.1 ‰ @ 1 s, 0.03 ‰ @ 300 s |
| δ¹⁸O Precision | <0.2 ‰ @ 1 s, 0.03 ‰ @ 300 s |
| CO₂ Range | 0–1000 ppmv |
| H₂O Range | 0–3 % (accuracy-critical), 0–7 % (operational) |
| Max Peak-to-Peak Drift | <1 ‰ over >24 h |
| Sample Temp | −10 to +45 °C |
| Sample Humidity | <99 % RH (non-condensing) |
| Flow Rate | ~300 mL/min |
| Output Interfaces | USB, RS-232 |
| Power | 110–230 V AC or battery |
| Dimensions | 440 × 190 × 530 mm |
| Weight | 10.5 kg |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | PRI-6250 |
| Detection Principle | Optical-Feedback Cavity-Enhanced Absorption Spectroscopy (OF-CEAS) |
| Target Gases | CO, CO₂, CH₄, H₂O |
| Measurement Range | CO (0–30 ppm), CO₂ (350–1200 ppm), CH₄ (1–12 ppm), H₂O (0–3 %v/v) |
| Precision (5-min avg) | <1 ppb (CO), <80 ppb (CO₂), <1 ppb (CH₄), <60 ppm (H₂O) |
| Drift (24 h) | <3 ppb (CO), <0.5 ppm (CO₂), <3 ppb (CH₄) |
| Response Time | <4 s |
| Sampling Flow Rate | ~200 mL/min |
| Data Output | Ethernet (TCP/IP, Modbus TCP), RS-232/485, Analog (4–20 mA / 0–10 V), USB |
| Power Supply | 110–230 VAC, 50–60 Hz |
| Power Consumption | 150 VA |
| Dimensions | 19″ rack-mount, 4U (height: 178 mm) |
| Weight | 20 kg |
| Operating Environment | Sample Temp. −10 to +45 °C |
| Cavity Temp. Stability | ±0.002 K |
| Cavity Pressure Stability | ±0.016 mbar |
| Mirror Reflectivity | >99.999% (three ultra-high-reflectivity cavity mirrors) |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | PRI-701 |
| Detection Principle | Mid-infrared Quantum Cascade Laser (QCL) coupled with Photoacoustic Spectroscopy (PAS) |
| Target Gas | NH₃ |
| Detection Limit (3σ, 60 s) | 0.1 ppm |
| Repeatability | <2% of reading or LOD |
| Accuracy | <2% of reading or LOD |
| Response Time (10–90%) | <130 s |
| Maximum Measurement Rate | >10 Hz |
| Measurement Range | 0–100 ppm (customizable) |
| Sample Cell Volume | 1 mL |
| Gas Consumption | <80 mL/min |
| Sample Temperature Range | −10 to 45 °C |
| Sample Humidity Limit | <99% RH (non-condensing) |
| Power Supply | DC |
| Power Consumption | 20 W |
| Weight | 3 kg |
| Data Output | Ethernet, Modbus TCP/IP & RS, USB |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | PRI-732 |
| Detection Principle | Mid-infrared Quantum Cascade Laser (QCL) coupled with Photoacoustic Spectroscopy (PAS) |
| Accuracy | ±1% of reading or LOD (whichever is greater) |
| Measurable Gases | CO₂, CH₄, N₂O, H₂O |
| Response Time (T90) | < 10 s |
| Repeatability | ±1% of reading or LOD (whichever is greater) |
| Measurement Cell Volume | 1 mL |
| Gas Consumption | < 80 mL/min |
| Power Consumption | 75 W |
| Weight | 15 kg |
| Output Interfaces | Ethernet, Modbus TCP/IP & RTU, USB |
| Operating Temperature | −10 to +45 °C |
| Relative Humidity | < 99% RH (non-condensing) |
| Detection Limits (LoD) | CO₂: 1 ppm, CH₄: 0.4 ppm, N₂O: 0.15 ppm, H₂O: 0.01 % (100 ppm) |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | PRI-8500 CO₂/H₂O |
| Accuracy | ±2%, <±1.5% after calibration |
| Measured Gases | CO₂ (0–2000 ppm), H₂O (0–6% vol) |
| Response Time (T90) | 10 s (adjustable) |
| Repeatability | Zero point ±0.3% |
| Operating Temperature | −30 to +45 °C |
| Operating Pressure | 80–115 kPa |
| Relative Humidity Range | <99% RH, non-condensing at 45 °C |
| Sample Flow Rate | 1 L/min (analyzer), 11 L/min (multiplexer system) |
| Calibration Interval | Recommended annually |
| Multiplexer Configuration | 4+4 dual-channel design with 3 calibration gas ports and 8 sample gas ports |
| Gas Switching | Dual-pump architecture |
| Interface | Tablet-based touchscreen control |
| Inlet/Outlet Fitting | 1/4″ Swagelok®-compatible compression fittings |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZERO Mobile-Mounted |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Detectable Gases & Ranges | CH₄ (0–10,000 ppm), C₂H₆ (0–1,000 ppm), H₂O (0–3 %) |
| Accuracy (1 s) | CH₄: 1 ppb, C₂H₆: 0.5 ppb, H₂O: 50 ppm |
| Data Update Rate | 1–5 Hz |
| Sample Flow Rate | ~330 mL/min |
| Operating Temperature | −10 to +45 °C |
| Relative Humidity Limit | <99 % RH (non-condensing) |
| Positioning | High-Accuracy BeiDou GNSS + Wind Correction |
| Power Consumption | Analyzer: 20–40 W |
| Full System (incl. pump) | ≤80 W |
| Weight | 8.3 kg |
| Dimensions | 450 × 350 × 150 mm |
| Data Storage | 256 GB–2 TB onboard + unlimited cloud archive |
| Communication Interfaces | Wi-Fi, 5G, RS-232, Ethernet |
| Leak Localization Accuracy | <1 m |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | ZERO Portable |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Target Gases & Ranges | CH₄ (0–10,000 ppm), C₂H₆ (0–1,000 ppm), H₂O (0–3 %) |
| Accuracy (1 s) | CH₄: 1 ppb, C₂H₆: 0.5 ppb, H₂O: 50 ppm |
| Data Update Rate | 1–5 Hz |
| Sample Temperature Range | −10 to +45 °C |
| Sample Flow Rate | 330 mL/min |
| Power Supply | 9–36 V DC, 2–4 A, 20–40 W |
| Weight | 4.1 kg |
| Dimensions | 365 × 295 × 170 mm |
| Battery Runtime | >7 h |
| Onboard Storage | 32 GB |
| Cloud Integration | Unlimited |
| Data Output | Wi-Fi, 5G |
| Data Security | End-to-end encryption, local server option |
| Environmental Rating | Tested for shock, vibration, and thermal cycling per IEC 60068-2 standards |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | XHAQSV-622 |
| Detection Principle | High-Precision Non-Dispersive Infrared (NDIR) Spectroscopy |
| Target Gases & Ranges | CO₂ (0–5000 ppm), optionally configurable for CH₄ (0–1000 ppm), N₂O (0–50 ppm), CO (0–100 ppm) |
| Response Time (T90) | ≤60 s |
| Repeatability | ±5% of reading |
| Data Storage | Local storage ≥5 years |
| Communication Interfaces | 4G (optional 5G), Ethernet, Wi-Fi, Bluetooth, USB |
| Environmental Monitoring Integration | Ambient temperature, relative humidity, atmospheric pressure, wind speed/direction, noise, and optional video surveillance |
| Calibration Modes | On-site span gas calibration + remote cloud-based calibration |
| Power Recovery | Automatic restart upon power restoration |
| Display | Integrated capacitive touch screen with local data visualization |
| GPS Positioning | Built-in GNSS module for georeferenced deployment |
| Data Transmission | Multi-center upload with breakpoint resume capability |
| System Diagnostics | Real-time subsystem health monitoring |
| Compliance Support | Designed to support ISO 14064-3 verification workflows and EPA Method TO-15/TO-11A-aligned operation (when configured per site-specific QA/QC protocols) |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | XHCRDS100P |
| Detection Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Target Gases & Ranges | CO₂, CO, CH₄, H₂O |
| Response Time | <20 s to 90% |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | XHGGMS4000 |
| Detection Principle | Non-Dispersive Infrared (NDIR) Spectroscopy |
| Target Gases & Measurement Ranges | CO₂ (0–5000 ppm), CH₄ (0–100 ppm), N₂O (0–50 ppm) |
| Compliance | GB/T 38997–2020, HJ 1013–2018, ISO 14064-1, ASTM D6522 |
| Brand | Vaisala |
|---|---|
| Origin | Finland |
| Model | MHT410 |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Gas Targets | Dissolved Hydrogen (H₂) and Water Activity (a<sub>w</sub>) in Transformer Oil |
| Oil Compatibility | Mineral oil, natural ester, synthetic ester, silicone oil |
| Enclosure Rating | IP66 with rain shield |
| Warranty | 5 years |
| Output Interfaces | 3× isolated 4–20 mA, RS-485 (Modbus RTU, DNP3, ASCII) |
| Compliance | EN 61326-1, CISPR 32/EN 55032 Class B, ISO 6270-1:2017 (C5-M), ISO 9227:2017 (salt spray), ISO 12994-6 (C5 corrosion protection) |
| H₂ Range | 0–5000 ppm<sub>v</sub> in oil |
| H₂ Accuracy | ±10% of reading or ±15 ppm<sub>v</sub> (whichever is greater) |
| H₂ Stability | ±3% of reading/year |
| H₂ Cross-sensitivity | <2% to CO₂, C₂H₂, C₂H₄, CO |
| a<sub>w</sub> Range | 0–1 (0–100 %RS) |
| a<sub>w</sub> Accuracy | ±0.02 (0–90 %RS), ±0.03 (90–100 %RS) |
| a<sub>w</sub> Response Time (90%) | 10 min at +20 °C in still oil |
| Sensor | HUMICAP® 180L2 |
| Power | 4 W typical, up to 12 W (galvanically isolated input) |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | XHCEMS-8000 |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Measured Gases & Ranges | CO₂ (standard), with optional expansion to CH₄ and N₂O |
| Application Field | Environmental Compliance Monitoring |
| Regulatory Context | Designed for continuous compliance reporting per national emission standards (e.g., China’s HJ 75–2017, HJ 76–2017) and compatible with international CEMS framework requirements (e.g., EN 14181, US EPA PS-11/PS-15) |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | ZERO Aerial Edition |
| Detection Principle | Mid-Infrared Laser Direct Absorption Spectroscopy (MIRLAS) |
| Target Gases & Ranges | CH₄ (0–10,000 ppm), C₂H₆ (0–1,000 ppm), H₂O (0–3 %v/v) |
| Sensitivity (1-s) | CH₄: 1 ppb, C₂H₆: 0.5 ppb, H₂O: 50 ppm |
| Measurement Update Rate | 1–5 Hz |
| Sample Flow Rate | ~330 mL/min |
| Operating Temperature | −10 to +45 °C |
| Relative Humidity Limit | <99% RH (non-condensing) |
| Power Supply | 12–15 V DC |
| Analyzer Power Consumption | 20–40 W |
| UAV Integration Power Draw | Up to 500 W |
| Positioning | High-Accuracy BeiDou GNSS + Wind Compensation Algorithm |
| Leak Localization Accuracy | <1 m (typical) |
| Data Output | RS-232, Ethernet |
| Onboard Storage | 32 GB |
| Battery Autonomy | ≥1.5 h (standalone operation) |